Display substrate and display apparatus

Abstract

A display substrate and a display apparatus are provided. The display substrate includes a first region and a second region surrounded by the first region. The display substrate includes first signal lines and second signal lines extending along different directions. The first signal line includes a first sub-signal line and a second sub-signal line located on both sides of the second region and are electrically connected through a first connection line and a second connection line extending in different directions; the second signal line includes a third sub-signal line and a fourth sub-signal line located on both sides of the second region and are electrically connected through a third connection line overlapped with the second connection line and a fourth connection line extending in different directions; and at least one first connection line is farther from the second region than at least one third connection line.

1 : A display substrate, comprising:
 a base substrate, comprising a first region and a second region, the first region being located at a periphery of the second region;   a plurality of first signal lines, located on the base substrate, and not passing through the second region;   a plurality of second signal lines, located in a different layer from the plurality of first signal lines, and not passing through the second region,   wherein at least part of the plurality of first signal lines extends along a first direction, at least part of the plurality of second signal lines extends along a second direction, and the first direction intersects with the second direction;   the plurality of first signal lines comprise part of first signal lines whose extension lines pass through the second region, each first signal line of the part of first signal lines comprises a first sub-signal line and a second sub-signal line located on both sides of the second region, the first sub-signal line and the second sub-signal line are electrically connected through a first connection line extending in the first direction and a second connection line extending in the second direction, and the part of first signal lines are electrically connected with a plurality of first connection lines and a plurality of second connection lines;   the plurality of second signal lines comprise part of second signal lines whose extension lines pass through the second region, each second signal line of the part of second signal lines comprises a third sub-signal line and a fourth sub-signal line located on both sides of the second region, the third sub-signal line and the fourth sub-signal line are electrically connected through a third connection line extending in the first direction and a fourth connection line extending in the second direction, and the part of second signal lines are electrically connected with a plurality of third connection lines and a plurality of fourth connection lines;   in a direction perpendicular to the base substrate, at least one second connection line overlaps with at least one third connection line, and on a same side of the second region, at least one first connection line is located on one side of at least one third connection line away from the second region.   
     
     
         2 : The display substrate according to  claim 1 , wherein the plurality of first signal lines comprise a data line, and the plurality of second signal lines at least comprise a light-emitting control signal line. 
     
     
         3 : The display substrate according to  claim 1 , wherein a minimum distance between one fourth connection line closest to the second region and an edge of the second region is less than a minimum distance between one first connection line closest to the second region and an edge of the second region. 
     
     
         4 : The display substrate according to  claim 1 , wherein, on a same side of the second region, a first group of connection lines among the plurality of second connection lines are located on one side of at least one fourth connection line close to the second region, and a second group of connection lines among the plurality of second connection lines are located on one side of the at least one fourth connection line away from the second region. 
     
     
         5 : The display substrate according to  claim 4 , wherein, in the direction perpendicular to the base substrate, the first group of connection lines overlap with the third connection line, and the second group of connection lines do not overlap with the third connection line. 
     
     
         6 : The display substrate according to  claim 4 , wherein a distance between one second connection line closest to the second group of connection lines in the first group of connection lines and one second connection line closest to the first group of connection lines in the second group of connection lines is a first distance, a distance between two adjacent second connection lines in the second group of connection lines is a second distance, and a ratio of the first distance to the second distance is greater than 2. 
     
     
         7 : The display substrate according to  claim 4 , wherein the first connection line connected with one second connection line closest to the second group of connection lines in the first group of connection lines comprises two portions respectively located on both sides of the one second connection line in the first direction. 
     
     
         8 : The display substrate according to  claim 7 , wherein the first connection line connected with the one second connection line closest to the second group of connection lines in the first group of connection lines extends to a position of one second connection line closest to the first group of connection lines in the second group of connection lines. 
     
     
         9 : The display substrate according to  claim 7 , wherein each first connection line among N first connection lines respectively connected with N second connection lines closest to the second group of connection lines in the first group of connection lines comprises two portions respectively located on both sides of a second connection line connected with the each first connection line in the first direction; among the N first connection lines arranged along a direction approaching the second region, a length of a portion of the first connection line located on one side, close to the second group of connection lines, of the second connection line connected with the first connection line is gradually reduced, where N is a positive integer greater than or equal to 1, and a count of second connection lines in the first group of connection lines located on one side of a center of the second region is greater than or equal to N. 
     
     
         10 : The display substrate according to  claim 4 , wherein one second signal line closest to the second region among part of the plurality of second signal lines whose extension lines do not pass through the second region is located between one fourth connection line closest to the second region and another fourth connection line adjacent to the one fourth connection line. 
     
     
         11 : The display substrate according to  claim 1 , wherein, on a same side of the second region, at least one first signal line whose extension line does not pass through the second region among the plurality of first signal lines is located on one side of the first connection line close to the second region. 
     
     
         12 : The display substrate according to  claim 1 , wherein a ratio of a distance between one first connection line and one third connection line which are closest to each other among the plurality of first connection lines and the plurality of third connection lines to a distance between two adjacent third connection lines ranges from 0.8 to 1.2. 
     
     
         13 : The display substrate according to  claim 1 , wherein, in the first region, at least one first connection line and at least one third connection line are in a same layer, and at least one second connection line and at least one fourth connection line are in a same layer. 
     
     
         14 : The display substrate according to  claim 13 , wherein at least one first connection line and at least one third connection line are located in the same layer as the plurality of first signal lines. 
     
     
         15 : The display substrate according to  claim 13 , wherein the plurality of second signal lines are located between the plurality of first signal lines and the base substrate, and the fourth connection line is located between the plurality of first signal lines and the plurality of second signal lines. 
     
     
         16 : The display substrate according to  claim 4 , wherein the first region is a display region, the first region surrounds the second region, the base substrate further comprises a peripheral region surrounding the display region, the plurality of second group connection lines comprise the second connection line located in the first region and the second connection line located in the peripheral region, the second connection line located in the first region is arranged in a different layer from the first connection line, and the second connection line located in the peripheral region is arranged in the same layer as the first connection line. 
     
     
         17 - 20 . (canceled) 
     
     
         21 : The display substrate according to  claim 2 , further comprising:
 a light-emitting element and a pixel circuit located on the base substrate, the pixel circuit being electrically connected with the light-emitting element;   wherein the pixel circuit comprises a driving transistor, a light-emitting control transistor and a reset transistor, a gate electrode of the light-emitting control transistor is electrically connected with the light-emitting control signal line, a first electrode of the light-emitting control transistor is electrically connected with a first electrode of the driving transistor, and a second electrode of the light-emitting control transistor is electrically connected with the light-emitting element;   a gate electrode of the reset transistor is electrically connected with a reset control signal line, and one electrode of the reset transistor is electrically connected with a second electrode of the driving transistor, or one electrode of the reset transistor is electrically connected with the second electrode of the light-emitting control transistor;   the plurality of second signal lines comprise the reset control signal line.   
     
     
         22 : The display substrate according to  claim 1 , further comprising:
 a light-emitting element and a pixel circuit located on the base substrate, the pixel circuit being electrically connected with the light-emitting element;   wherein the pixel circuit comprises at least one N-type thin film transistor and at least one P-type thin film transistor;   the plurality of second signal lines comprise a signal line connected with a gate electrode of the at least one P-type thin film transistor; or,   the pixel circuit comprises at least one oxide thin film transistor and at least one low temperature poly-silicon thin film transistor, the plurality of second signal lines comprise a signal line connected with a gate electrode of the at least one low temperature poly-silicon thin film transistors.   
     
     
         23 . (canceled) 
     
     
         24 : The display substrate according to  claim 1 , wherein the first region is a display region, the first region surrounds the second region, the base substrate further comprises a peripheral region surrounding the display region;
 the display substrate further comprises a plurality of fifth connection lines extending along the first direction and a plurality of sixth connection lines extending along the second direction, the fifth connection line located in the same layer and on the same straight line as the first connection line is spaced apart from the first connection line, the fifth connection line located in the same layer and on the same straight line as the third connection line is spaced apart from the third connection line, the sixth connection line located in the same layer and on the same straight line as the second connection line is spaced apart from the second connection line, the sixth connection line located in the same layer and on the same straight line as the fourth connection line is spaced apart from the fourth connection line, at least one of the fifth connection line and the sixth connection line is electrically connected with a third signal line, and the third signal line is located in the peripheral region.   
     
     
         25 - 26 . (canceled) 
     
     
         27 : A display apparatus, comprising the display substrate according to  claim 1 .